Coloring photographs



Patented May 19, 1925. V

v UNITED STATES PATENT: OFFICE.

CLARENCE aunomn amnnson, or HAVRE, ivionraim.

7 concerns PHOTOGRAPHS.

N'o Drawing. Application filed August 2, 1922, Serial No 579,244.Renewec l April 1, 1925.

To all whom it may concern:

Be it known that I, CLARENCE RUDOLPH REmRsoN, a citizenof theUnitedStates, residing'atHavre, in the county of Hill and cation.

This invention relates to the, decoration of photographs andparticularly to the production of oil colored photographs. Among otherfeatures the invention is directed to photographs with oil colors.

One purpose of the invention is to reduce thetime necessary to completethe application of oil colorsto a photographic print.

vAnother'purpose is to make possible a more J even blending of oilcolors than has heretofore been known. Another purpose is to provide alustrous finishfor photographlc prints without destroying the soft toneof the print. Finally the invention enablesthe artist to work rapidlyWithout the smearing OflOll colors, and makes it possible to completetheWork in a remarkably short time.

Heretofore to complete the coloring of an average sized photographicprint it has not tograph in fifteen or twenty minutes, and

the work thus completed will dry within seven .to ten hours.

ing, and could be dry by morning, when they are in. condition formounting and delivery to the purchaser.

I The inventionincludes three chief essen-' tial featureswhich areasfollows. 7

.First, the materials and the process of preparing the materials into acomposition for. application directly to the photographic rint'. I

. paint coating.

Third, the materials andtheprocess of Thus a dozen photo graphs could becolored in oil .in one evenpreparing the mixture of the same for theouter. and finalprotective coating which is applied to the decorativepaint coats.

The details of these three features will now be described.

The first feature, which includes the prep aration and materials for theinitial treating material, relates to a liquid, which,

when properly applied, produces an oil; body surface upon photographicprints,

which surface is suitable for thereception and blending thereon ofartists oil colors the use of particular materials and to the] steps inthe processby which the materials are prepared,and to the particularsequence "in which the materials are used in coloring such as areusually sold in tubes.

To make the liquid of feature one, the following ingredients, in thfollowing proportions, are mixed inaccordance with the steps specified.3 parts of raw linseed oil,

3 parts of Japanese drier, and 2 parts of commercial ether are used. TheJapanese drier is added to the oil and thoroughly mixed. To theresultant product the specified proportion of ether is added, and theresultant material is thoroughly mixed.

Care should be taken to use substantially the proportions and sequencespecified because a perfectly acting solution may be prepared in thisway, but if the proportions and order of treatment aremateriallydisregarded, undesirable precipitates may be formed and the materialsspoiled. V

The treatment of the photographic print should be conductedsubstantially according to the following details. The solution,preparedin accordance with feature one, should be applied to the surface of theprint with atuft of cotton or some other equally soft material, and any,surplus solution, which has, not been absorbed by the emulsion on theprint must beremoved by rubbing the damp surface with a piece of drysoft cotton fabric. H graphic print in substantially the followingmanner. 'Theether of the solution permits the introduction into theemulsion of the print "of the required quantity of oil and Japanesedrier. Probably the action is one in which the ether opens the pores ofthe v v r e V drier, or at least permits a unified combina- Second, theprocess of preparing the pho;

tion of the oiland; drier with the material of the emulsion. Theultimate efiect, re-

gardless of the theory of the action, is that thematerial sizes theemulsion, or so prepares it, as to make possible the application.

and blending thereon of artists oil colors The solution acts upon thephoto-' in tubes evenly, smoothly, and without smearing, all to a degreeof perfection heretofore not possible before the use of the particularsolution mentioned. When oil colors are applied to a print or to anemulsion to which oil has been applied in a manner different from thatabove described, the application of the material is not even or smooth,the oil rubs off and smears, and the oil colors also tend to rub off andsmear.

The Japanese drier, probably augmented by th action of the ether, servesto make possible unusual rapidity on the part of the artist who isapplying the oil colors because the artist is enabled to have the oilcolors under control at all times, and also because the completed workdries rapidly. The drying qualities are just such. as to cause thecolors to take hold without running or smearing, and yet the colors donot set so rapidly as to take the control of the work out of the artistshands. 7

Feature three, relating to the protective coating, will now bedescribed. This material is intended for use as a protective lustreproducing material for application directly over the oil coloredphotograph. The object of this feature of the invention is to provide aliquid, which when properly applied to acompleted oil coloredphotograph, adds the desired lustre and gives to it an unnoticeable,even, protective covering. To make this solution 5 parts of raw linseedoil and 1 part of Japanese drier are thoroughly mixed. The material isapplied to the decorative paint coat on the photo graphic print by theuse of a tuft of cotton, and any surplus solution must be removed byrubbing gently with a similar dry tuft of cotton. The effect of theapplication of the protective coating is the production of arapidly'drying, unnoticeable coating which protects against dust, dirt,and the fading of the color coat. The desires lustre may thus be addedto the completed workof the color coat without destroying the softertones of the colored photograph. The same advantageous resultsobtainedby using the protective coat may be accomplished by using the solutionupon black and white, or sepia prints, as have been described by usingthe material over prints finished in oil colors.

The various features of this invention may be used, and the materials ofeach of the solutions may be applied effectively, in the treatment ofmatt, semi-matt, or gloss photographic prints, as well as in the 1nakingof Doretypes.

By following the details of the present invention a photographic printmay be colored and the coloring protected so that the final product hassuch a perfect blending of color that the lines of the colors and thematerial of the protective coat are imperceptible. In addition to theproper blending, the time for the coloring is reduced to one-fifth toone-eighth of the time ordinarily required prior to the use of theinitial treatment solution.

I claim:

1. The process of treating photographs to prepare them for coloringwhich process comprises treating the emulsion of a developed positiveprint with a coating of a material which includes raw linseed oil,Japanese drier, and ether.

2. The process of preparing colored photographs which process comprisestreating the emulsion of a developed positive print with a primarycoating of a material which includes raw linseed oil, Japanese drier,and ether, removing excess material of said primary coating, andapplying over said primary coating a decorative oil paint coat.

3. The process of preparing colored photographs which process comprisestreating the emulsion of a developed positive print with a primarycoating of a. material which includes an oil, a liquid drier, and ether,applying over said primary coating a decorative oil paint coat, andcoating said decorative coat with an outer liquid material whichincludes an oil and Japanese drier.

4. The process of preparing colored photographs which process comprisestreating the emulsion of a developed positive print with a primarycoating of a material which includes raw linseed oil, Japanese drier,and ether, removing excess material of said primary coating, applyingover said primary coating a decorative oil paint coat, andcoating saiddecorative coat with an outer liquid material which includes an oil andJapanese drier.

5. The process of preparing colored photographs which process comprisestreating the emulsion of a developed positive print with a primarycoating of a material which includes raw linseed oil, Japanese drier,and ether, applying over said primary coating a decorative oil paintcoat, and coating said decorative coat with an outer liquid materialwhich includes an oil and Japanese CIlBI'.

photographs which process comprises treating the emulsion of a developedpositive print With a primary coating of a material which includes anoil, a liquid drier, and ether, applying over said primary coating adecorative oil paint coat, and coating said decorative coat with anouter liquid material which includes 5 parts of raw linseed oil and 1part of Japanese drier.

7. The process of preparing colored photographs which process comprisestreating the emulsion of a developed positive 6. The process ofpreparing colored.

print with a primary coating of a material which includes an oil, aliquid drier, and ether, removing excess material of said primarycoating, applying over said primary coating a decorativeoil paint coat,and coating said decorative coat with an outer liquid material whichincludes 5 parts of raw linseed oil and 1 part of Japanese drierJ 8. Theprocess of preparing colored photographs which process comprises treatinthe emulsion of a developed positive pr nt with aprimary coating of amaterial which includes raw linseed oil, J apanese dr er, and ether,removing excess materlal 15 of said primary coating, and immediatelyture.

applying over said primary coating a decoi rative oil paint coat.

9. The prints which process comprises applylng to a photograph a mixtureof an oil, a liquid drier, and ether. 7

10. The process of preparing colored photographs, which processcomprises treatin the emulsion of a developed positive prlnt with amixture of an oil, a liquid drier,

rocess of treating photographic and ether, and applying to the print sotreated a decorative coloring medium.

In testimony whereof I afiix my signa- CLARENCE RUDOLPH REIERSON.

